Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2212 insertions, 0 deletions

diff --git a/configmgr/source/access.cxx b/configmgr/source/access.cxx
new file mode 100644
index 000000000..865d38300
--- /dev/null
+++ b/configmgr/source/access.cxx
@@ -0,0 +1,2212 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <cassert>
+#include <cstdlib>
+#include <utility>
+#include <vector>
+
+#include <com/sun/star/beans/Property.hpp>
+#include <com/sun/star/beans/PropertyAttribute.hpp>
+#include <com/sun/star/beans/PropertyChangeEvent.hpp>
+#include <com/sun/star/beans/UnknownPropertyException.hpp>
+#include <com/sun/star/beans/XExactName.hpp>
+#include <com/sun/star/beans/XHierarchicalPropertySet.hpp>
+#include <com/sun/star/beans/XHierarchicalPropertySetInfo.hpp>
+#include <com/sun/star/beans/XMultiHierarchicalPropertySet.hpp>
+#include <com/sun/star/beans/XMultiPropertySet.hpp>
+#include <com/sun/star/beans/XPropertiesChangeListener.hpp>
+#include <com/sun/star/beans/XProperty.hpp>
+#include <com/sun/star/beans/XPropertyChangeListener.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/beans/XPropertySetInfo.hpp>
+#include <com/sun/star/beans/XVetoableChangeListener.hpp>
+#include <com/sun/star/container/ContainerEvent.hpp>
+#include <com/sun/star/container/NoSuchElementException.hpp>
+#include <com/sun/star/container/XContainer.hpp>
+#include <com/sun/star/container/XContainerListener.hpp>
+#include <com/sun/star/container/XElementAccess.hpp>
+#include <com/sun/star/container/XHierarchicalName.hpp>
+#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
+#include <com/sun/star/container/XHierarchicalNameReplace.hpp>
+#include <com/sun/star/container/XNameAccess.hpp>
+#include <com/sun/star/container/XNameContainer.hpp>
+#include <com/sun/star/container/XNamed.hpp>
+#include <com/sun/star/lang/DisposedException.hpp>
+#include <com/sun/star/lang/EventObject.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/XComponent.hpp>
+#include <com/sun/star/lang/XEventListener.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/lang/XSingleServiceFactory.hpp>
+#include <com/sun/star/lang/XTypeProvider.hpp>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/uno/Type.hxx>
+#include <com/sun/star/uno/XInterface.hpp>
+#include <com/sun/star/uno/XWeak.hpp>
+#include <com/sun/star/util/ElementChange.hpp>
+#include <comphelper/sequence.hxx>
+#include <comphelper/servicehelper.hxx>
+#include <comphelper/lok.hxx>
+#include <i18nlangtag/languagetag.hxx>
+#include <cppu/unotype.hxx>
+#include <cppuhelper/queryinterface.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/weak.hxx>
+#include <osl/interlck.h>
+#include <osl/mutex.hxx>
+#include <rtl/character.hxx>
+#include <rtl/ref.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/log.hxx>
+#include <sal/types.h>
+
+#include "access.hxx"
+#include "broadcaster.hxx"
+#include "childaccess.hxx"
+#include "components.hxx"
+#include "data.hxx"
+#include "groupnode.hxx"
+#include "localizedpropertynode.hxx"
+#include "localizedvaluenode.hxx"
+#include "lock.hxx"
+#include "modifications.hxx"
+#include "node.hxx"
+#include "nodemap.hxx"
+#include "propertynode.hxx"
+#include "rootaccess.hxx"
+#include "setnode.hxx"
+#include "type.hxx"
+
+namespace configmgr {
+
+namespace {
+
+// Conservatively forbid what is either not an XML Char (including lone
+// surrogates, even though they should not appear in well-formed UNO OUString
+// instances anyway), or is a slash (as it causes problems in path syntax):
+bool isValidName(OUString const & name, bool setMember) {
+    for (sal_Int32 i = 0; i != name.getLength();) {
+        sal_uInt32 c = name.iterateCodePoints(&i);
+        if ((c < 0x20 && !(c == 0x09 || c == 0x0A || c == 0x0D))
+            || rtl::isSurrogate(c) || c == 0xFFFE || c == 0xFFFF
+            || (!setMember && c == '/'))
+        {
+            return false;
+        }
+    }
+    return !name.isEmpty();
+}
+
+}
+
+oslInterlockedCount Access::acquireCounting() {
+    return osl_atomic_increment(&m_refCount);
+}
+
+void Access::releaseNondeleting() {
+    osl_atomic_decrement(&m_refCount);
+}
+
+bool Access::isValue() {
+    rtl::Reference< Node > p(getNode());
+    switch (p->kind()) {
+    case Node::KIND_PROPERTY:
+    case Node::KIND_LOCALIZED_VALUE:
+        return true;
+    case Node::KIND_LOCALIZED_PROPERTY:
+        return !Components::allLocales(getRootAccess()->getLocale());
+    default:
+        return false;
+    }
+}
+
+void Access::markChildAsModified(rtl::Reference< ChildAccess > const & child) {
+    assert(child.is() && child->getParentAccess() == this);
+    modifiedChildren_[child->getNameInternal()] = ModifiedChild(child, true);
+    for (rtl::Reference< Access > p(this);;) {
+        rtl::Reference< Access > parent(p->getParentAccess());
+        if (!parent.is()) {
+            break;
+        }
+        assert(dynamic_cast< ChildAccess * >(p.get()) != nullptr);
+        parent->modifiedChildren_.emplace(
+                p->getNameInternal(),
+                ModifiedChild(static_cast< ChildAccess * >(p.get()), false));
+        p = parent;
+    }
+}
+
+void Access::releaseChild(OUString const & name) {
+    cachedChildren_.erase(name);
+}
+
+void Access::initBroadcaster(
+    Modifications::Node const & modifications, Broadcaster * broadcaster)
+{
+    initBroadcasterAndChanges(modifications, broadcaster, nullptr);
+}
+
+css::uno::Sequence< css::uno::Type > Access::getTypes()
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    std::vector< css::uno::Type > types { cppu::UnoType< css::uno::XInterface >::get(),
+                                          cppu::UnoType< css::uno::XWeak >::get(),
+                                          cppu::UnoType< css::lang::XTypeProvider >::get(),
+                                          cppu::UnoType< css::lang::XServiceInfo >::get(),
+                                          cppu::UnoType< css::lang::XComponent >::get(),
+                                          cppu::UnoType< css::container::XContainer >::get(),
+                                          cppu::UnoType< css::beans::XExactName >::get(),
+                                          cppu::UnoType< css::container::XHierarchicalName >::get(),
+                                          cppu::UnoType< css::container::XNamed >::get(),
+                                          cppu::UnoType< css::beans::XProperty >::get(),
+                                          cppu::UnoType< css::container::XElementAccess >::get(),
+                                          cppu::UnoType< css::container::XNameAccess >::get()
+                                        };
+    if (getNode()->kind() == Node::KIND_GROUP) {
+        types.push_back(cppu::UnoType< css::beans::XPropertySetInfo >::get());
+        types.push_back(cppu::UnoType< css::beans::XPropertySet >::get());
+        types.push_back(cppu::UnoType< css::beans::XMultiPropertySet >::get());
+        types.push_back(
+            cppu::UnoType< css::beans::XHierarchicalPropertySet >::get());
+        types.push_back(
+            cppu::UnoType< css::beans::XMultiHierarchicalPropertySet >::get());
+        types.push_back(
+            cppu::UnoType< css::beans::XHierarchicalPropertySetInfo >::get());
+    }
+    if (getRootAccess()->isUpdate()) {
+        types.push_back(cppu::UnoType< css::container::XNameReplace >::get());
+        types.push_back(
+            cppu::UnoType< css::container::XHierarchicalNameReplace >::get());
+        if (getNode()->kind() != Node::KIND_GROUP ||
+            static_cast< GroupNode * >(getNode().get())->isExtensible())
+        {
+            types.push_back(
+                cppu::UnoType< css::container::XNameContainer >::get());
+        }
+        if (getNode()->kind() == Node::KIND_SET) {
+            types.push_back(
+                cppu::UnoType< css::lang::XSingleServiceFactory >::get());
+        }
+    } else {
+        types.push_back(
+            cppu::UnoType< css::container::XHierarchicalNameAccess >::get());
+    }
+    addTypes(&types);
+    return comphelper::containerToSequence(types);
+}
+
+css::uno::Sequence< sal_Int8 > Access::getImplementationId()
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    return css::uno::Sequence< sal_Int8 >();
+}
+
+OUString Access::getImplementationName()
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    return "org.openoffice-configmgr::Access";
+}
+
+sal_Bool Access::supportsService(OUString const & ServiceName)
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+css::uno::Sequence< OUString > Access::getSupportedServiceNames()
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    std::vector<OUString> services;
+    services.emplace_back("com.sun.star.configuration.ConfigurationAccess");
+    if (getRootAccess()->isUpdate()) {
+        services.emplace_back("com.sun.star.configuration.ConfigurationUpdateAccess");
+    }
+    services.emplace_back("com.sun.star.configuration.HierarchyAccess");
+    services.emplace_back("com.sun.star.configuration.HierarchyElement");
+    if (getNode()->kind() == Node::KIND_GROUP) {
+        services.emplace_back("com.sun.star.configuration.GroupAccess");
+        services.emplace_back("com.sun.star.configuration.PropertyHierarchy");
+        if (getRootAccess()->isUpdate()) {
+            services.emplace_back("com.sun.star.configuration.GroupUpdate");
+        }
+    } else {
+        services.emplace_back("com.sun.star.configuration.SetAccess");
+        services.emplace_back("com.sun.star.configuration.SimpleSetAccess");
+        if (getRootAccess()->isUpdate()) {
+            services.emplace_back("com.sun.star.configuration.SetUpdate");
+            services.emplace_back("com.sun.star.configuration.SimpleSetUpdate");
+        }
+    }
+    addSupportedServiceNames(&services);
+    return comphelper::containerToSequence(services);
+}
+
+void Access::dispose() {
+    assert(thisIs(IS_ANY));
+    Broadcaster bc;
+    {
+        osl::MutexGuard g(*lock_);
+        checkLocalizedPropertyAccess();
+        if (getParentAccess().is()) {
+            throw css::uno::RuntimeException(
+                "configmgr dispose inappropriate Access",
+                static_cast< cppu::OWeakObject * >(this));
+        }
+        if (disposed_) {
+            return;
+        }
+        initDisposeBroadcaster(&bc);
+        clearListeners();
+        disposed_ = true;
+    }
+    bc.send();
+}
+
+void Access::addEventListener(
+    css::uno::Reference< css::lang::XEventListener > const & xListener)
+{
+    assert(thisIs(IS_ANY));
+    {
+        osl::MutexGuard g(*lock_);
+        checkLocalizedPropertyAccess();
+        if (!xListener.is()) {
+            throw css::uno::RuntimeException(
+                "null listener", static_cast< cppu::OWeakObject * >(this));
+        }
+        if (!disposed_) {
+            disposeListeners_.insert(xListener);
+            return;
+        }
+    }
+    try {
+        xListener->disposing(
+            css::lang::EventObject(static_cast< cppu::OWeakObject * >(this)));
+    } catch (css::lang::DisposedException &) {}
+}
+
+void Access::removeEventListener(
+    css::uno::Reference< css::lang::XEventListener > const & aListener)
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    DisposeListeners::iterator i(disposeListeners_.find(aListener));
+    if (i != disposeListeners_.end()) {
+        disposeListeners_.erase(i);
+    }
+}
+
+css::uno::Type Access::getElementType() {
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    rtl::Reference< Node > p(getNode());
+    switch (p->kind()) {
+    case Node::KIND_LOCALIZED_PROPERTY:
+        return mapType(
+            static_cast< LocalizedPropertyNode * >(p.get())->getStaticType());
+    case Node::KIND_GROUP:
+        //TODO: Should a specific type be returned for a non-extensible group
+        // with homogeneous members or for an extensible group that currently
+        // has only homogeneous members?
+        return cppu::UnoType<void>::get();
+    case Node::KIND_SET:
+        return cppu::UnoType<void>::get(); //TODO: correct?
+    default:
+        assert(false);
+        throw css::uno::RuntimeException(
+            "this cannot happen", static_cast< cppu::OWeakObject * >(this));
+    }
+}
+
+sal_Bool Access::hasElements() {
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    return !getAllChildren().empty(); //TODO: optimize
+}
+
+bool Access::getByNameFast(const OUString & name, css::uno::Any & value)
+{
+    bool bGotValue = false;
+    rtl::Reference< ChildAccess > child;
+
+    if (getNode()->kind() != Node::KIND_LOCALIZED_PROPERTY)
+    { // try to get it directly
+        ModifiedChildren::iterator i(modifiedChildren_.find(name));
+        if (i != modifiedChildren_.end())
+        {
+            child = getModifiedChild(i);
+            if (child.is())
+            {
+                value = child->asValue();
+                bGotValue = true;
+            }
+        }
+        else
+        {
+            rtl::Reference< Node > node(getNode()->getMember(name));
+            if (!node.is())
+                return false;
+            bGotValue = ChildAccess::asSimpleValue(node, value, components_);
+        }
+    }
+
+    if (!bGotValue)
+    {
+        child = getChild(name);
+        if (!child.is())
+            return false;
+        value = child->asValue();
+    }
+    return true;
+}
+
+css::uno::Any Access::getByName(OUString const & aName)
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    css::uno::Any value;
+    if (!getByNameFast(aName, value))
+        throw css::container::NoSuchElementException(
+            aName, static_cast< cppu::OWeakObject * >(this));
+    return value;
+}
+
+css::uno::Sequence< OUString > Access::getElementNames()
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    std::vector< rtl::Reference< ChildAccess > > children(getAllChildren());
+    css::uno::Sequence<OUString> names(children.size());
+    OUString* pArray = names.getArray();
+    for (auto const& child : children)
+    {
+        *pArray++ = child->getNameInternal();
+    }
+    return names;
+}
+
+sal_Bool Access::hasByName(OUString const & aName)
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    return getChild(aName).is();
+}
+
+css::uno::Any Access::getByHierarchicalName(OUString const & aName)
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    rtl::Reference< ChildAccess > child(getSubChild(aName));
+    if (!child.is()) {
+        throw css::container::NoSuchElementException(
+            aName, static_cast< cppu::OWeakObject * >(this));
+    }
+    return child->asValue();
+}
+
+sal_Bool Access::hasByHierarchicalName(OUString const & aName)
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    return getSubChild(aName).is();
+}
+
+void Access::replaceByHierarchicalName(
+    OUString const & aName, css::uno::Any const & aElement)
+{
+    //TODO: Actually support sets and combine with replaceByName:
+    assert(thisIs(IS_UPDATE));
+    Broadcaster bc;
+    {
+        osl::MutexGuard g(*lock_);
+        checkLocalizedPropertyAccess();
+        rtl::Reference< ChildAccess > child(getSubChild(aName));
+        if (!child.is()) {
+            throw css::container::NoSuchElementException(
+                aName, static_cast< cppu::OWeakObject * >(this));
+        }
+        child->checkFinalized();
+        rtl::Reference< Node > parent(child->getParentNode());
+        assert(parent.is());
+        Modifications localMods;
+        switch (parent->kind()) {
+        case Node::KIND_LOCALIZED_PROPERTY:
+        case Node::KIND_GROUP:
+            child->setProperty(aElement, &localMods);
+            break;
+        case Node::KIND_SET:
+            throw css::lang::IllegalArgumentException(
+                ("configmgr::Access::replaceByHierarchicalName does not"
+                 " currently support set members"),
+                static_cast< cppu::OWeakObject * >(this), 0);
+        case Node::KIND_ROOT:
+            throw css::lang::IllegalArgumentException(
+                ("configmgr::Access::replaceByHierarchicalName does not allow"
+                 " changing component " + aName),
+                static_cast< cppu::OWeakObject * >(this), 0);
+        default:
+            assert(false); // this cannot happen
+            break;
+        }
+        getNotificationRoot()->initBroadcaster(localMods.getRoot(), &bc);
+    }
+    bc.send();
+}
+
+void Access::addContainerListener(
+    css::uno::Reference< css::container::XContainerListener > const & xListener)
+{
+    assert(thisIs(IS_ANY));
+    {
+        osl::MutexGuard g(*lock_);
+        checkLocalizedPropertyAccess();
+        if (!xListener.is()) {
+            throw css::uno::RuntimeException(
+                "null listener", static_cast< cppu::OWeakObject * >(this));
+        }
+        if (!disposed_) {
+            containerListeners_.insert(xListener);
+            return;
+        }
+    }
+    try {
+        xListener->disposing(
+            css::lang::EventObject(static_cast< cppu::OWeakObject * >(this)));
+    } catch (css::lang::DisposedException &) {}
+}
+
+void Access::removeContainerListener(
+    css::uno::Reference< css::container::XContainerListener > const & xListener)
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    ContainerListeners::iterator i(containerListeners_.find(xListener));
+    if (i != containerListeners_.end()) {
+        containerListeners_.erase(i);
+    }
+}
+
+OUString Access::getExactName(OUString const & aApproximateName)
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    return aApproximateName;
+}
+
+css::uno::Sequence< css::beans::Property > Access::getProperties()
+{
+    assert(thisIs(IS_GROUP));
+    osl::MutexGuard g(*lock_);
+    std::vector< rtl::Reference< ChildAccess > > children(getAllChildren());
+    std::vector< css::beans::Property > properties;
+    properties.reserve(children.size());
+    for (auto const& child : children)
+    {
+        properties.push_back(child->asProperty());
+    }
+    return comphelper::containerToSequence(properties);
+}
+
+css::beans::Property Access::getPropertyByName(OUString const & aName)
+{
+    assert(thisIs(IS_GROUP));
+    osl::MutexGuard g(*lock_);
+    rtl::Reference< ChildAccess > child(getChild(aName));
+    if (!child.is()) {
+        throw css::beans::UnknownPropertyException(
+            aName, static_cast< cppu::OWeakObject * >(this));
+    }
+    return child->asProperty();
+}
+
+sal_Bool Access::hasPropertyByName(OUString const & Name)
+{
+    assert(thisIs(IS_GROUP));
+    osl::MutexGuard g(*lock_);
+    return getChild(Name).is();
+}
+
+OUString Access::getHierarchicalName() {
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    // For backwards compatibility, return an absolute path representation where
+    // available:
+    OUString rootPath;
+    rtl::Reference< RootAccess > root(getRootAccess());
+    if (root.is()) {
+        rootPath = root->getAbsolutePathRepresentation();
+    }
+    OUString rel(getRelativePathRepresentation());
+    OUStringBuffer path(rootPath);
+    if (!rootPath.isEmpty() && rootPath != "/" && !rel.isEmpty()) {
+        path.append('/');
+    }
+    path.append(rel);
+    return path.makeStringAndClear();
+}
+
+OUString Access::composeHierarchicalName(
+    OUString const & aRelativeName)
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    if (aRelativeName.isEmpty() || aRelativeName[0] == '/') {
+        throw css::lang::IllegalArgumentException(
+            "configmgr composeHierarchicalName inappropriate relative name",
+            static_cast< cppu::OWeakObject * >(this), -1);
+    }
+    OUStringBuffer path(getRelativePathRepresentation());
+    if (!path.isEmpty()) {
+        path.append('/');
+    }
+    path.append(aRelativeName);
+    return path.makeStringAndClear();
+}
+
+OUString Access::getName() {
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    return getNameInternal();
+}
+
+void Access::setName(OUString const & aName)
+{
+    assert(thisIs(IS_ANY));
+    Broadcaster bc;
+    {
+        osl::MutexGuard g(*lock_);
+        checkLocalizedPropertyAccess();
+        checkFinalized();
+        Modifications localMods;
+        switch (getNode()->kind()) {
+        case Node::KIND_GROUP:
+        case Node::KIND_SET:
+            {
+                rtl::Reference< Access > parent(getParentAccess());
+                if (parent.is()) {
+                    rtl::Reference< Node > node(getNode());
+                    if (! node->getTemplateName().isEmpty()) {
+                        rtl::Reference< ChildAccess > other(
+                            parent->getChild(aName));
+                        if (other.get() == this) {
+                            break;
+                        }
+                        if (node->getMandatory() == Data::NO_LAYER &&
+                            !(other.is() && other->isFinalized()))
+                        {
+                            if (!isValidName(aName, true)) {
+                                throw css::uno::RuntimeException(
+                                    "invalid element name " + aName);
+                            }
+                            rtl::Reference< RootAccess > root(getRootAccess());
+                            rtl::Reference< ChildAccess > childAccess(
+                                static_cast< ChildAccess * >(this));
+                            localMods.add(getRelativePath());
+                            // unbind() modifies the parent chain that
+                            // markChildAsModified() walks, so order is
+                            // important:
+                            parent->markChildAsModified(childAccess);
+                                //TODO: must not throw
+                            childAccess->unbind(); // must not throw
+                            if (other.is()) {
+                                other->unbind(); // must not throw
+                            }
+                            childAccess->bind(root, parent, aName);
+                                // must not throw
+                            parent->markChildAsModified(childAccess);
+                                //TODO: must not throw
+                            localMods.add(getRelativePath());
+                            break;
+                        }
+                    }
+                }
+            }
+            [[fallthrough]];
+        case Node::KIND_LOCALIZED_PROPERTY:
+            // renaming a property could only work for an extension property,
+            // but a localized property is never an extension property
+            throw css::uno::RuntimeException(
+                "configmgr setName inappropriate node",
+                static_cast< cppu::OWeakObject * >(this));
+        default:
+            assert(false); // this cannot happen
+            break;
+        }
+        getNotificationRoot()->initBroadcaster(localMods.getRoot(), &bc);
+    }
+    bc.send();
+}
+
+css::beans::Property Access::getAsProperty()
+{
+    assert(thisIs(IS_ANY));
+    osl::MutexGuard g(*lock_);
+    checkLocalizedPropertyAccess();
+    return asProperty();
+}
+
+css::uno::Reference< css::beans::XPropertySetInfo > Access::getPropertySetInfo()
+{
+    assert(thisIs(IS_GROUP));
+    return this;
+}
+
+void Access::setPropertyValue(
+    OUString const & aPropertyName, css::uno::Any const & aValue)
+{
+    assert(thisIs(IS_GROUP));
+    Broadcaster bc;
+    {
+        osl::MutexGuard g(*lock_);
+        if (!getRootAccess()->isUpdate()) {
+            throw css::uno::RuntimeException(
+                "configmgr setPropertyValue on non-update access",
+                static_cast< cppu::OWeakObject * >(this));
+        }
+        Modifications localMods;
+        if (!setChildProperty(aPropertyName, aValue, &localMods)) {
+            throw css::beans::UnknownPropertyException(
+                aPropertyName, static_cast< cppu::OWeakObject * >(this));
+        }
+        getNotificationRoot()->initBroadcaster(localMods.getRoot(), &bc);
+    }
+    bc.send();
+}
+
+css::uno::Any Access::getPropertyValue(OUString const & PropertyName)
+{
+    assert(thisIs(IS_GROUP));
+    osl::MutexGuard g(*lock_);
+
+    css::uno::Any value;
+    if (!getByNameFast(PropertyName, value))
+        throw css::beans::UnknownPropertyException(
+            PropertyName, static_cast< cppu::OWeakObject * >(this));
+    return value;
+}
+
+void Access::addPropertyChangeListener(
+    OUString const & aPropertyName,
+    css::uno::Reference< css::beans::XPropertyChangeListener > const &
+        xListener)
+{
+    assert(thisIs(IS_GROUP));
+    {
+        osl::MutexGuard g(*lock_);
+        if (!xListener.is()) {
+            throw css::uno::RuntimeException(
+                "null listener", static_cast< cppu::OWeakObject * >(this));
+        }
+        checkKnownProperty(aPropertyName);
+        if (!disposed_) {
+            propertyChangeListeners_[aPropertyName].insert(xListener);
+            return;
+        }
+    }
+    try {
+        xListener->disposing(
+            css::lang::EventObject(static_cast< cppu::OWeakObject * >(this)));
+    } catch (css::lang::DisposedException &) {}
+}
+
+void Access::removePropertyChangeListener(
+    OUString const & aPropertyName,
+    css::uno::Reference< css::beans::XPropertyChangeListener > const &
+        aListener)
+{
+    assert(thisIs(IS_GROUP));
+    osl::MutexGuard g(*lock_);
+    checkKnownProperty(aPropertyName);
+    PropertyChangeListeners::iterator i(
+        propertyChangeListeners_.find(aPropertyName));
+    if (i != propertyChangeListeners_.end()) {
+        PropertyChangeListenersElement::iterator j(i->second.find(aListener));
+        if (j != i->second.end()) {
+            i->second.erase(j);
+            if (i->second.empty()) {
+                propertyChangeListeners_.erase(i);
+            }
+        }
+    }
+}
+
+void Access::addVetoableChangeListener(
+    OUString const & PropertyName,
+    css::uno::Reference< css::beans::XVetoableChangeListener > const &
+        aListener)
+{
+    assert(thisIs(IS_GROUP));
+    {
+        osl::MutexGuard g(*lock_);
+        if (!aListener.is()) {
+            throw css::uno::RuntimeException(
+                "null listener", static_cast< cppu::OWeakObject * >(this));
+        }
+        checkKnownProperty(PropertyName);
+        if (!disposed_) {
+            vetoableChangeListeners_[PropertyName].insert(aListener);
+            //TODO: actually call vetoableChangeListeners_
+            return;
+        }
+    }
+    try {
+        aListener->disposing(
+            css::lang::EventObject(static_cast< cppu::OWeakObject * >(this)));
+    } catch (css::lang::DisposedException &) {}
+}
+
+void Access::removeVetoableChangeListener(
+    OUString const & PropertyName,
+    css::uno::Reference< css::beans::XVetoableChangeListener > const &
+        aListener)
+{
+    assert(thisIs(IS_GROUP));
+    osl::MutexGuard g(*lock_);
+    checkKnownProperty(PropertyName);
+    VetoableChangeListeners::iterator i(
+        vetoableChangeListeners_.find(PropertyName));
+    if (i != vetoableChangeListeners_.end()) {
+        VetoableChangeListenersElement::iterator j(i->second.find(aListener));
+        if (j != i->second.end()) {
+            i->second.erase(j);
+            if (i->second.empty()) {
+                vetoableChangeListeners_.erase(i);
+            }
+        }
+    }
+}
+
+void Access::setPropertyValues(
+    css::uno::Sequence< OUString > const & aPropertyNames,
+    css::uno::Sequence< css::uno::Any > const & aValues)
+{
+    assert(thisIs(IS_GROUP));
+    Broadcaster bc;
+    {
+        osl::MutexGuard g(*lock_);
+        if (!getRootAccess()->isUpdate()) {
+            throw css::uno::RuntimeException(
+                "configmgr setPropertyValues on non-update access",
+                static_cast< cppu::OWeakObject * >(this));
+        }
+        if (aPropertyNames.getLength() != aValues.getLength()) {
+            throw css::lang::IllegalArgumentException(
+                ("configmgr setPropertyValues: aPropertyNames/aValues of"
+                 " different length"),
+                static_cast< cppu::OWeakObject * >(this), -1);
+        }
+        Modifications localMods;
+        for (sal_Int32 i = 0; i < aPropertyNames.getLength(); ++i) {
+            if (!setChildProperty(aPropertyNames[i], aValues[i], &localMods)) {
+                throw css::lang::IllegalArgumentException(
+                    "configmgr setPropertyValues inappropriate property name",
+                    static_cast< cppu::OWeakObject * >(this), -1);
+            }
+        }
+        getNotificationRoot()->initBroadcaster(localMods.getRoot(), &bc);
+    }
+    bc.send();
+}
+
+css::uno::Sequence< css::uno::Any > Access::getPropertyValues(
+    css::uno::Sequence< OUString > const & aPropertyNames)
+{
+    assert(thisIs(IS_GROUP));
+    osl::MutexGuard g(*lock_);
+    css::uno::Sequence< css::uno::Any > vals(aPropertyNames.getLength());
+    auto aValsRange = asNonConstRange(vals);
+    for (sal_Int32 i = 0; i < aPropertyNames.getLength(); ++i)
+    {
+        if (!getByNameFast(aPropertyNames[i], aValsRange[i]))
+            throw css::uno::RuntimeException(
+                "configmgr getPropertyValues inappropriate property name",
+                static_cast< cppu::OWeakObject * >(this));
+    }
+
+    return vals;
+}
+
+void Access::addPropertiesChangeListener(
+    css::uno::Sequence< OUString > const &,
+    css::uno::Reference< css::beans::XPropertiesChangeListener > const &
+        xListener)
+{
+    assert(thisIs(IS_GROUP));
+    {
+        osl::MutexGuard g(*lock_);
+        if (!xListener.is()) {
+            throw css::uno::RuntimeException(
+                "null listener", static_cast< cppu::OWeakObject * >(this));
+        }
+        if (!disposed_) {
+            propertiesChangeListeners_.insert(xListener);
+            return;
+        }
+    }
+    try {
+        xListener->disposing(
+            css::lang::EventObject(static_cast< cppu::OWeakObject * >(this)));
+    } catch (css::lang::DisposedException &) {}
+}
+
+void Access::removePropertiesChangeListener(
+    css::uno::Reference< css::beans::XPropertiesChangeListener > const &
+        xListener)
+{
+    assert(thisIs(IS_GROUP));
+    osl::MutexGuard g(*lock_);
+    PropertiesChangeListeners::iterator i(
+        propertiesChangeListeners_.find(xListener));
+    if (i != propertiesChangeListeners_.end()) {
+        propertiesChangeListeners_.erase(i);
+    }
+}
+
+void Access::firePropertiesChangeEvent(
+    css::uno::Sequence< OUString > const & aPropertyNames,
+    css::uno::Reference< css::beans::XPropertiesChangeListener > const &
+        xListener)
+{
+    assert(thisIs(IS_GROUP));
+    css::uno::Sequence< css::beans::PropertyChangeEvent > events(
+        aPropertyNames.getLength());
+    auto aEventsRange = asNonConstRange(events);
+    for (sal_Int32 i = 0; i < events.getLength(); ++i) {
+        aEventsRange[i].Source = static_cast< cppu::OWeakObject * >(this);
+        aEventsRange[i].PropertyName = aPropertyNames[i];
+        aEventsRange[i].Further = false;
+        aEventsRange[i].PropertyHandle = -1;
+    }
+    xListener->propertiesChange(events);
+}
+
+css::uno::Reference< css::beans::XHierarchicalPropertySetInfo >
+Access::getHierarchicalPropertySetInfo() {
+    assert(thisIs(IS_GROUP));
+    return this;
+}
+
+void Access::setHierarchicalPropertyValue(
+    OUString const & aHierarchicalPropertyName,
+    css::uno::Any const & aValue)
+{
+    assert(thisIs(IS_GROUP));
+    Broadcaster bc;
+    {
+        osl::MutexGuard g(*lock_);
+        if (!getRootAccess()->isUpdate()) {
+            throw css::uno::RuntimeException(
+                "configmgr setHierarchicalPropertyName on non-update access",
+                static_cast< cppu::OWeakObject * >(this));
+        }
+        rtl::Reference< ChildAccess > child(
+            getSubChild(aHierarchicalPropertyName));
+        if (!child.is()) {
+            throw css::beans::UnknownPropertyException(
+                aHierarchicalPropertyName,
+                static_cast< cppu::OWeakObject * >(this));
+        }
+        child->checkFinalized();
+        Modifications localMods;
+        child->setProperty(aValue, &localMods);
+        getNotificationRoot()->initBroadcaster(localMods.getRoot(), &bc);
+    }
+    bc.send();
+}
+
+css::uno::Any Access::getHierarchicalPropertyValue(
+    OUString const & aHierarchicalPropertyName)
+{
+    assert(thisIs(IS_GROUP));
+    osl::MutexGuard g(*lock_);
+    rtl::Reference< ChildAccess > child(getSubChild(aHierarchicalPropertyName));
+    if (!child.is()) {
+        throw css::beans::UnknownPropertyException(
+            aHierarchicalPropertyName,
+            static_cast< cppu::OWeakObject * >(this));
+    }
+    return child->asValue();
+}
+
+void Access::setHierarchicalPropertyValues(
+    css::uno::Sequence< OUString > const & aHierarchicalPropertyNames,
+    css::uno::Sequence< css::uno::Any > const & Values)
+{
+    assert(thisIs(IS_GROUP));
+    Broadcaster bc;
+    {
+        osl::MutexGuard g(*lock_);
+        if (!getRootAccess()->isUpdate()) {
+            throw css::uno::RuntimeException(
+                "configmgr setPropertyValues on non-update access",
+                static_cast< cppu::OWeakObject * >(this));
+        }
+        if (aHierarchicalPropertyNames.getLength() != Values.getLength()) {
+            throw css::lang::IllegalArgumentException(
+                ("configmgr setHierarchicalPropertyValues:"
+                 " aHierarchicalPropertyNames/Values of different length"),
+                static_cast< cppu::OWeakObject * >(this), -1);
+        }
+        Modifications localMods;
+        for (sal_Int32 i = 0; i < aHierarchicalPropertyNames.getLength(); ++i) {
+            rtl::Reference< ChildAccess > child(
+                getSubChild(aHierarchicalPropertyNames[i]));
+            if (!child.is()) {
+                throw css::lang::IllegalArgumentException(
+                    ("configmgr setHierarchicalPropertyValues inappropriate"
+                     " property name"),
+                    static_cast< cppu::OWeakObject * >(this), -1);
+            }
+            child->checkFinalized();
+            child->setProperty(Values[i], &localMods);
+        }
+        getNotificationRoot()->initBroadcaster(localMods.getRoot(), &bc);
+    }
+    bc.send();
+}
+
+css::uno::Sequence< css::uno::Any > Access::getHierarchicalPropertyValues(
+    css::uno::Sequence< OUString > const & aHierarchicalPropertyNames)
+{
+    assert(thisIs(IS_GROUP));
+    osl::MutexGuard g(*lock_);
+    css::uno::Sequence< css::uno::Any > vals(
+        aHierarchicalPropertyNames.getLength());
+    auto aValsRange = asNonConstRange(vals);
+    for (sal_Int32 i = 0; i < aHierarchicalPropertyNames.getLength(); ++i) {
+        rtl::Reference< ChildAccess > child(
+            getSubChild(aHierarchicalPropertyNames[i]));
+        if (!child.is()) {
+            throw css::lang::IllegalArgumentException(
+                ("configmgr getHierarchicalPropertyValues inappropriate"
+                 " hierarchical property name"),
+                static_cast< cppu::OWeakObject * >(this), -1);
+        }
+        aValsRange[i] = child->asValue();
+    }
+    return vals;
+}
+
+css::beans::Property Access::getPropertyByHierarchicalName(
+    OUString const & aHierarchicalName)
+{
+    assert(thisIs(IS_GROUP));
+    osl::MutexGuard g(*lock_);
+    rtl::Reference< ChildAccess > child(getSubChild(aHierarchicalName));
+    if (!child.is()) {
+        throw css::beans::UnknownPropertyException(
+            aHierarchicalName, static_cast< cppu::OWeakObject * >(this));
+    }
+    return child->asProperty();
+}
+
+sal_Bool Access::hasPropertyByHierarchicalName(
+    OUString const & aHierarchicalName)
+{
+    assert(thisIs(IS_GROUP));
+    osl::MutexGuard g(*lock_);
+    return getSubChild(aHierarchicalName).is();
+}
+
+void Access::replaceByName(
+    OUString const & aName, css::uno::Any const & aElement)
+{
+    assert(thisIs(IS_UPDATE));
+    Broadcaster bc;
+    {
+        osl::MutexGuard g(*lock_);
+        checkLocalizedPropertyAccess();
+        rtl::Reference< ChildAccess > child(getChild(aName));
+        if (!child.is()) {
+            throw css::container::NoSuchElementException(
+                aName, static_cast< cppu::OWeakObject * >(this));
+        }
+        child->checkFinalized();
+        Modifications localMods;
+        switch (getNode()->kind()) {
+        case Node::KIND_LOCALIZED_PROPERTY:
+        case Node::KIND_GROUP:
+            child->setProperty(aElement, &localMods);
+            break;
+        case Node::KIND_SET:
+            {
+                rtl::Reference< ChildAccess > freeAcc(
+                    getFreeSetMember(aElement));
+                rtl::Reference< RootAccess > root(getRootAccess());
+                localMods.add(child->getRelativePath());
+                child->unbind(); // must not throw
+                freeAcc->bind(root, this, aName); // must not throw
+                markChildAsModified(freeAcc); //TODO: must not throw
+            }
+            break;
+        default:
+            assert(false); // this cannot happen
+            break;
+        }
+        getNotificationRoot()->initBroadcaster(localMods.getRoot(), &bc);
+    }
+    bc.send();
+}
+
+void Access::insertByName(
+    OUString const & aName, css::uno::Any const & aElement)
+{
+    assert(thisIs(IS_EXTENSIBLE|IS_UPDATE));
+    Broadcaster bc;
+    {
+        osl::MutexGuard g(*lock_);
+        checkLocalizedPropertyAccess();
+        checkFinalized();
+        if (getChild(aName).is()) {
+            throw css::container::ElementExistException(
+                aName, static_cast< cppu::OWeakObject * >(this));
+        }
+        Modifications localMods;
+        switch (getNode()->kind()) {
+        case Node::KIND_LOCALIZED_PROPERTY:
+            if (!isValidName(aName, false)) {
+                throw css::lang::IllegalArgumentException(
+                    aName, static_cast<cppu::OWeakObject *>(this), 0);
+            }
+            insertLocalizedValueChild(aName, aElement, &localMods);
+            break;
+        case Node::KIND_GROUP:
+            {
+                if (!isValidName(aName, false)) {
+                    throw css::lang::IllegalArgumentException(
+                        aName, static_cast<cppu::OWeakObject *>(this), 0);
+                }
+                checkValue(aElement, TYPE_ANY, true);
+                rtl::Reference child(
+                    new ChildAccess(
+                        components_, getRootAccess(), this, aName,
+                        new PropertyNode(
+                            Data::NO_LAYER, TYPE_ANY, true, aElement, true)));
+                markChildAsModified(child);
+                localMods.add(child->getRelativePath());
+            }
+            break;
+        case Node::KIND_SET:
+            {
+                if (!isValidName(aName, true)) {
+                    throw css::lang::IllegalArgumentException(
+                        aName, static_cast<cppu::OWeakObject *>(this), 0);
+                }
+                rtl::Reference< ChildAccess > freeAcc(
+                    getFreeSetMember(aElement));
+                freeAcc->bind(getRootAccess(), this, aName); // must not throw
+                markChildAsModified(freeAcc); //TODO: must not throw
+                localMods.add(freeAcc->getRelativePath());
+            }
+            break;
+        default:
+            assert(false); // this cannot happen
+            break;
+        }
+        getNotificationRoot()->initBroadcaster(localMods.getRoot(), &bc);
+    }
+    bc.send();
+}
+
+void Access::removeByName(OUString const & aName)
+{
+    assert(thisIs(IS_EXTENSIBLE|IS_UPDATE));
+    Broadcaster bc;
+    {
+        osl::MutexGuard g(*lock_);
+        checkLocalizedPropertyAccess();
+        rtl::Reference< ChildAccess > child(getChild(aName));
+        if (!child.is() || child->isFinalized() ||
+            child->getNode()->getMandatory() != Data::NO_LAYER)
+        {
+            throw css::container::NoSuchElementException(
+                aName, static_cast< cppu::OWeakObject * >(this));
+        }
+        if (getNode()->kind() == Node::KIND_GROUP) {
+            rtl::Reference< Node > p(child->getNode());
+            if (p->kind() != Node::KIND_PROPERTY ||
+                !static_cast< PropertyNode * >(p.get())->isExtension())
+            {
+                throw css::container::NoSuchElementException(
+                    aName, static_cast< cppu::OWeakObject * >(this));
+            }
+        }
+        Modifications localMods;
+        localMods.add(child->getRelativePath());
+        // unbind() modifies the parent chain that markChildAsModified() walks,
+        // so order is important:
+        markChildAsModified(child); //TODO: must not throw
+        child->unbind();
+        getNotificationRoot()->initBroadcaster(localMods.getRoot(), &bc);
+    }
+    bc.send();
+}
+
+css::uno::Reference< css::uno::XInterface > Access::createInstance()
+{
+    assert(thisIs(IS_SET|IS_UPDATE));
+    OUString tmplName(
+        static_cast< SetNode * >(getNode().get())->getDefaultTemplateName());
+    rtl::Reference< Node > tmpl(
+        components_.getTemplate(tmplName));
+    if (!tmpl.is()) {
+        throw css::uno::Exception(
+            "unknown template " + tmplName,
+            static_cast< cppu::OWeakObject * >(this));
+    }
+    rtl::Reference< Node > node(tmpl->clone(true));
+    node->setLayer(Data::NO_LAYER);
+    return static_cast< cppu::OWeakObject * >(
+        new ChildAccess(components_, getRootAccess(), node));
+}
+
+css::uno::Reference< css::uno::XInterface > Access::createInstanceWithArguments(
+    css::uno::Sequence< css::uno::Any > const & aArguments)
+{
+    assert(thisIs(IS_SET|IS_UPDATE));
+    if (aArguments.hasElements()) {
+        throw css::uno::Exception(
+            ("configuration SimpleSetUpdate createInstanceWithArguments"
+             " must not specify any arguments"),
+            static_cast< cppu::OWeakObject * >(this));
+    }
+    return createInstance();
+}
+
+Access::Access(Components & components):
+    components_(components), disposed_(false), lock_( lock() )
+{
+}
+
+Access::~Access() {}
+
+void Access::initDisposeBroadcaster(Broadcaster * broadcaster) {
+    assert(broadcaster != nullptr);
+    for (auto const& disposeListener : disposeListeners_)
+    {
+        broadcaster->addDisposeNotification(
+            disposeListener,
+            css::lang::EventObject(static_cast< cppu::OWeakObject * >(this)));
+    }
+    for (auto const& containerListener : containerListeners_)
+    {
+        broadcaster->addDisposeNotification(
+            containerListener,
+            css::lang::EventObject(static_cast< cppu::OWeakObject * >(this)));
+    }
+    for (auto const& propertyChangeListener : propertyChangeListeners_)
+    {
+        for (auto const& propertyChangeListenerElement : propertyChangeListener.second)
+        {
+            broadcaster->addDisposeNotification(
+                propertyChangeListenerElement,
+                css::lang::EventObject(
+                    static_cast< cppu::OWeakObject * >(this)));
+        }
+    }
+    for (auto const& vetoableChangeListener : vetoableChangeListeners_)
+    {
+        for (auto const& vetoableChangeListenerElement : vetoableChangeListener.second)
+        {
+            broadcaster->addDisposeNotification(
+                vetoableChangeListenerElement,
+                css::lang::EventObject(
+                    static_cast< cppu::OWeakObject * >(this)));
+        }
+    }
+    for (auto const& propertiesChangeListener : propertiesChangeListeners_)
+    {
+        broadcaster->addDisposeNotification(
+            propertiesChangeListener,
+            css::lang::EventObject(static_cast< cppu::OWeakObject * >(this)));
+    }
+    //TODO: iterate over children w/ listeners (incl. unmodified ones):
+    for (ModifiedChildren::iterator i(modifiedChildren_.begin());
+         i != modifiedChildren_.end(); ++i)
+    {
+        rtl::Reference< ChildAccess > child(getModifiedChild(i));
+        if (child.is()) {
+            child->initDisposeBroadcaster(broadcaster);
+        }
+    }
+}
+
+void Access::clearListeners() noexcept {
+    disposeListeners_.clear();
+    containerListeners_.clear();
+    propertyChangeListeners_.clear();
+    vetoableChangeListeners_.clear();
+    propertiesChangeListeners_.clear();
+    //TODO: iterate over children w/ listeners (incl. unmodified ones):
+    for (ModifiedChildren::iterator i(modifiedChildren_.begin());
+         i != modifiedChildren_.end(); ++i)
+    {
+        rtl::Reference< ChildAccess > child(getModifiedChild(i));
+        if (child.is()) {
+            child->clearListeners();
+        }
+    }
+}
+
+css::uno::Any Access::queryInterface(css::uno::Type const & aType)
+{
+    css::uno::Any res(OWeakObject::queryInterface(aType));
+    if (res.hasValue()) {
+        return res;
+    }
+    res = cppu::queryInterface(
+        aType, static_cast< css::lang::XTypeProvider * >(this),
+        static_cast< css::lang::XServiceInfo * >(this),
+        static_cast< css::lang::XComponent * >(this),
+        static_cast< css::container::XHierarchicalNameAccess * >(this),
+        static_cast< css::container::XContainer * >(this),
+        static_cast< css::beans::XExactName * >(this),
+        static_cast< css::container::XHierarchicalName * >(this),
+        static_cast< css::container::XNamed * >(this),
+        static_cast< css::beans::XProperty * >(this),
+        static_cast< css::container::XElementAccess * >(this),
+        static_cast< css::container::XNameAccess * >(this));
+    if (res.hasValue()) {
+        return res;
+    }
+    if (getNode()->kind() == Node::KIND_GROUP) {
+        res = cppu::queryInterface(
+            aType, static_cast< css::beans::XPropertySetInfo * >(this),
+            static_cast< css::beans::XPropertySet * >(this),
+            static_cast< css::beans::XMultiPropertySet * >(this),
+            static_cast< css::beans::XHierarchicalPropertySet * >(this),
+            static_cast< css::beans::XMultiHierarchicalPropertySet * >(this),
+            static_cast< css::beans::XHierarchicalPropertySetInfo * >(this));
+        if (res.hasValue()) {
+            return res;
+        }
+    }
+    if (getRootAccess()->isUpdate()) {
+        res = cppu::queryInterface(
+            aType, static_cast< css::container::XNameReplace * >(this),
+            static_cast< css::container::XHierarchicalNameReplace * >(this));
+        if (res.hasValue()) {
+            return res;
+        }
+        if (getNode()->kind() != Node::KIND_GROUP ||
+            static_cast< GroupNode * >(getNode().get())->isExtensible())
+        {
+            res = cppu::queryInterface(
+                aType, static_cast< css::container::XNameContainer * >(this));
+            if (res.hasValue()) {
+                return res;
+            }
+        }
+        if (getNode()->kind() == Node::KIND_SET) {
+            res = cppu::queryInterface(
+                aType, static_cast< css::lang::XSingleServiceFactory * >(this));
+        }
+    }
+    return res;
+}
+
+
+void Access::checkLocalizedPropertyAccess() {
+    if (getNode()->kind() == Node::KIND_LOCALIZED_PROPERTY &&
+        !Components::allLocales(getRootAccess()->getLocale()))
+    {
+        throw css::uno::RuntimeException(
+            "configmgr Access to specialized LocalizedPropertyNode",
+            static_cast< cppu::OWeakObject * >(this));
+    }
+}
+
+rtl::Reference< Node > Access::getParentNode() {
+    rtl::Reference< Access > parent(getParentAccess());
+    return parent.is() ? parent->getNode() : rtl::Reference< Node >();
+}
+
+rtl::Reference< ChildAccess > Access::getChild(OUString const & name) {
+    OUString locale;
+    if (getNode()->kind() == Node::KIND_LOCALIZED_PROPERTY
+        && name.startsWith("*", &locale))
+    {
+        if (locale.startsWith("*")) {
+            SAL_WARN(
+                "configmgr",
+                ("access best-matching localized property value via"
+                 " \"*<locale>\" with <locale> \"")
+                    << locale << "\" recursively starting with \"*\"");
+            return getChild(locale);
+        }
+        SAL_WARN_IF(
+            locale.isEmpty(), "configmgr",
+            ("access best-matching localized property value via \"*<locale>\""
+             " with empty <locale>; falling back to defaults"));
+
+        // Since the locale given to us is the one used at initialization,
+        // here we override it with the actual current-user's language to
+        // support per-view localization in LOK.
+        if (comphelper::LibreOfficeKit::isActive())
+            locale = comphelper::LibreOfficeKit::getLanguageTag().getBcp47();
+
+        if (!locale.isEmpty()) {
+            // Try exact match first, avoiding all fallback overhead.
+            rtl::Reference<ChildAccess> directChild(getChild(locale));
+            if (directChild.is())
+                return directChild;
+
+            // Find the best match using the LanguageTag fallback mechanism,
+            // excluding the original tag.
+            std::vector<OUString> aFallbacks = LanguageTag(locale).getFallbackStrings(false);
+            for (const OUString& rFallback : aFallbacks)
+            {
+                rtl::Reference<ChildAccess> child(getChild(rFallback));
+                if (child.is())
+                    return child;
+            }
+
+            // As a workaround for broken xcu data that does not use shortest
+            // xml:lang attributes, look for the first entry with the same first
+            // segment as the requested language tag before falling back to
+            // defaults (see fdo#33638):
+            if (aFallbacks.size() > 0)
+                locale = aFallbacks[aFallbacks.size() - 1];
+            assert(
+                !locale.isEmpty() && locale.indexOf('-') == -1 &&
+                locale.indexOf('_') == -1);
+
+            std::vector< rtl::Reference< ChildAccess > > children(
+                getAllChildren());
+            for (auto const& child : children)
+            {
+                const OUString & name2(child->getNameInternal());
+                if (name2.startsWith(locale) &&
+                    (name2.getLength() == locale.getLength() ||
+                     name2[locale.getLength()] == '-' ||
+                     name2[locale.getLength()] == '_'))
+                {
+                    return child;
+                }
+            }
+        }
+        // Defaults are the "en-US" locale, the "en" locale, the empty string locale, the first child (if
+        // any, and if the property is non-nillable), or a null ChildAccess, in that order:
+        rtl::Reference< ChildAccess > child(getChild("en-US"));
+        if (child.is()) {
+            return child;
+        }
+        child = getChild("en");
+        if (child.is()) {
+            return child;
+        }
+        child = getChild("");
+        if (child.is()) {
+            return child;
+        }
+        if (!static_cast<LocalizedPropertyNode *>(getNode().get())->isNillable()) {
+            std::vector< rtl::Reference< ChildAccess > > children(getAllChildren());
+            if (!children.empty()) {
+                return children.front();
+            }
+        }
+        return rtl::Reference< ChildAccess >();
+    }
+    ModifiedChildren::iterator i(modifiedChildren_.find(name));
+    return i == modifiedChildren_.end()
+        ? getUnmodifiedChild(name) : getModifiedChild(i);
+}
+
+std::vector< rtl::Reference< ChildAccess > > Access::getAllChildren() {
+    std::vector< rtl::Reference< ChildAccess > > vec;
+    NodeMap const & members = getNode()->getMembers();
+    for (auto const& member : members)
+    {
+        if (modifiedChildren_.find(member.first) == modifiedChildren_.end()) {
+            vec.push_back(getUnmodifiedChild(member.first));
+            assert(vec.back().is());
+        }
+    }
+    for (ModifiedChildren::iterator i(modifiedChildren_.begin());
+         i != modifiedChildren_.end(); ++i)
+    {
+        rtl::Reference< ChildAccess > child(getModifiedChild(i));
+        if (child.is()) {
+            vec.push_back(child);
+        }
+    }
+    return vec;
+}
+
+void Access::checkValue(css::uno::Any const & value, Type type, bool nillable) {
+    bool ok;
+    switch (type) {
+    case TYPE_ERROR:
+        ok = false;
+        break;
+    case TYPE_ANY:
+        switch (getDynamicType(value)) {
+        case TYPE_ERROR:
+            ok = false;
+            break;
+        case TYPE_NIL:
+            ok = nillable;
+            break;
+        default:
+            ok = true;
+            break;
+        case TYPE_ANY:
+            for (;;) std::abort(); // cannot happen
+        }
+        break;
+    default:
+        ok = value.hasValue() ? value.isExtractableTo(mapType(type)) : nillable;
+        break;
+    case TYPE_NIL:
+        for (;;) std::abort(); // cannot happen
+    }
+    if (!ok) {
+        throw css::lang::IllegalArgumentException(
+            "configmgr inappropriate property value",
+            static_cast< cppu::OWeakObject * >(this), -1);
+    }
+}
+
+void Access::insertLocalizedValueChild(
+    OUString const & name, css::uno::Any const & value,
+    Modifications * localModifications)
+{
+    assert(localModifications != nullptr);
+    LocalizedPropertyNode * locprop = static_cast< LocalizedPropertyNode * >(
+        getNode().get());
+    checkValue(value, locprop->getStaticType(), locprop->isNillable());
+    rtl::Reference child(
+        new ChildAccess(
+            components_, getRootAccess(), this, name,
+            new LocalizedValueNode(Data::NO_LAYER, value)));
+    markChildAsModified(child);
+    localModifications->add(child->getRelativePath());
+}
+
+void Access::reportChildChanges(
+    std::vector< css::util::ElementChange > * changes)
+{
+    assert(changes != nullptr);
+    for (ModifiedChildren::iterator i(modifiedChildren_.begin());
+         i != modifiedChildren_.end(); ++i)
+    {
+        rtl::Reference< ChildAccess > child(getModifiedChild(i));
+        if (child.is()) {
+            child->reportChildChanges(changes);
+            changes->push_back(css::util::ElementChange());
+                //TODO: changed value and/or inserted node
+        } else {
+            changes->push_back(css::util::ElementChange()); //TODO: removed node
+        }
+    }
+}
+
+void Access::commitChildChanges(
+    bool valid, Modifications * globalModifications)
+{
+    assert(globalModifications != nullptr);
+    while (!modifiedChildren_.empty()) {
+        bool childValid = valid;
+        ModifiedChildren::iterator i(modifiedChildren_.begin());
+        rtl::Reference< ChildAccess > child(getModifiedChild(i));
+        if (child.is()) {
+            childValid = childValid && !child->isFinalized();
+            child->commitChanges(childValid, globalModifications);
+                //TODO: currently, this is called here for directly inserted
+                // children as well as for children whose sub-children were
+                // modified (and should never be called for directly removed
+                // children); clarify what exactly should happen here for
+                // directly inserted children
+        }
+        NodeMap & members = getNode()->getMembers();
+        NodeMap::iterator j(members.find(i->first));
+        if (child.is()) {
+            // Inserted:
+            if (j != members.end()) {
+                childValid = childValid &&
+                    j->second->getFinalized() == Data::NO_LAYER;
+                if (childValid) {
+                    child->getNode()->setMandatory(j->second->getMandatory());
+                }
+            }
+            if (childValid) {
+                members[i->first] = child->getNode();
+            }
+        } else {
+            // Removed:
+            childValid = childValid && j != members.end() &&
+                j->second->getFinalized() == Data::NO_LAYER &&
+                j->second->getMandatory() == Data::NO_LAYER;
+            if (childValid) {
+                members.erase(j);
+            }
+        }
+        if (childValid && i->second.directlyModified) {
+            std::vector<OUString> path(getAbsolutePath());
+            path.push_back(i->first);
+            components_.addModification(path);
+            globalModifications->add(path);
+        }
+        i->second.child->committed();
+        modifiedChildren_.erase(i);
+    }
+}
+
+void Access::initBroadcasterAndChanges(
+    Modifications::Node const & modifications, Broadcaster * broadcaster,
+    std::vector< css::util::ElementChange > * allChanges)
+{
+    assert(broadcaster != nullptr);
+    std::vector< css::beans::PropertyChangeEvent > propChanges;
+    bool collectPropChanges = !propertiesChangeListeners_.empty();
+    for (const auto & i : modifications.children)
+    {
+        rtl::Reference< ChildAccess > child(getChild(i.first));
+        if (child.is()) {
+            switch (child->getNode()->kind()) {
+            case Node::KIND_LOCALIZED_PROPERTY:
+                if (!i.second.children.empty()) {
+                    if (Components::allLocales(getRootAccess()->getLocale())) {
+                        child->initBroadcasterAndChanges(
+                            i.second, broadcaster, allChanges);
+                            //TODO: if allChanges==0, recurse only into children
+                            // w/ listeners
+                    } else {
+                        //TODO: filter child mods that are irrelevant for
+                        // locale:
+                        for (auto const& containerListener : containerListeners_)
+                        {
+                            broadcaster->
+                                addContainerElementReplacedNotification(
+                                    containerListener,
+                                    css::container::ContainerEvent(
+                                        static_cast< cppu::OWeakObject * >(
+                                            this),
+                                        css::uno::Any(i.first),
+                                        css::uno::Any(), css::uno::Any()));
+                                //TODO: non-void Element, ReplacedElement
+                        }
+                        PropertyChangeListeners::iterator j(
+                            propertyChangeListeners_.find(i.first));
+                        if (j != propertyChangeListeners_.end()) {
+                            for (auto const& propertyChangeListenerElement : j->second)
+                            {
+                                broadcaster->addPropertyChangeNotification(
+                                    propertyChangeListenerElement,
+                                    css::beans::PropertyChangeEvent(
+                                        static_cast< cppu::OWeakObject * >(
+                                            this),
+                                        i.first, false, -1, css::uno::Any(),
+                                        css::uno::Any()));
+                            }
+                        }
+                        j = propertyChangeListeners_.find("");
+                        if (j != propertyChangeListeners_.end()) {
+                            for (auto const& propertyChangeListenerElement : j->second)
+                            {
+                                broadcaster->addPropertyChangeNotification(
+                                    propertyChangeListenerElement,
+                                    css::beans::PropertyChangeEvent(
+                                        static_cast< cppu::OWeakObject * >(
+                                            this),
+                                        i.first, false, -1, css::uno::Any(),
+                                        css::uno::Any()));
+                            }
+                        }
+                        if (allChanges != nullptr) {
+                            allChanges->push_back(
+                                css::util::ElementChange(
+                                    css::uno::Any(
+                                        child->getRelativePathRepresentation()),
+                                    css::uno::Any(), css::uno::Any()));
+                                //TODO: non-void Element, ReplacedElement
+                        }
+                        if (collectPropChanges) {
+                            propChanges.emplace_back(
+                                    static_cast< cppu::OWeakObject * >(this),
+                                    i.first, false, -1, css::uno::Any(),
+                                    css::uno::Any());
+                        }
+                    }
+                }
+                // else: spurious Modifications::Node not representing a change
+                break;
+            case Node::KIND_LOCALIZED_VALUE:
+                assert(Components::allLocales(getRootAccess()->getLocale()));
+                for (auto const& containerListener : containerListeners_)
+                {
+                    broadcaster->addContainerElementReplacedNotification(
+                        containerListener,
+                        css::container::ContainerEvent(
+                            static_cast< cppu::OWeakObject * >(this),
+                            css::uno::Any(i.first), child->asValue(),
+                            css::uno::Any()));
+                        //TODO: distinguish add/modify; non-void ReplacedElement
+                }
+                if (allChanges != nullptr) {
+                    allChanges->push_back(
+                        css::util::ElementChange(
+                            css::uno::Any(
+                                child->getRelativePathRepresentation()),
+                            child->asValue(), css::uno::Any()));
+                        //TODO: non-void ReplacedElement
+                }
+                assert(!collectPropChanges);
+                break;
+            case Node::KIND_PROPERTY:
+                {
+                    for (auto const& containerListener : containerListeners_)
+                    {
+                        broadcaster->addContainerElementReplacedNotification(
+                            containerListener,
+                            css::container::ContainerEvent(
+                                static_cast< cppu::OWeakObject * >(this),
+                                css::uno::Any(i.first), child->asValue(),
+                                css::uno::Any()));
+                            //TODO: distinguish add/remove/modify; non-void
+                            // ReplacedElement
+                    }
+                    PropertyChangeListeners::iterator j(
+                        propertyChangeListeners_.find(i.first));
+                    if (j != propertyChangeListeners_.end()) {
+                        for (auto const& propertyChangeListenerElement : j->second)
+                        {
+                            broadcaster->addPropertyChangeNotification(
+                                propertyChangeListenerElement,
+                                css::beans::PropertyChangeEvent(
+                                    static_cast< cppu::OWeakObject * >(this),
+                                    i.first, false, -1, css::uno::Any(),
+                                    css::uno::Any()));
+                        }
+                    }
+                    j = propertyChangeListeners_.find("");
+                    if (j != propertyChangeListeners_.end()) {
+                        for (auto const& propertyChangeListenerElement : j->second)
+                        {
+                            broadcaster->addPropertyChangeNotification(
+                                propertyChangeListenerElement,
+                                css::beans::PropertyChangeEvent(
+                                    static_cast< cppu::OWeakObject * >(this),
+                                    i.first, false, -1, css::uno::Any(),
+                                    css::uno::Any()));
+                        }
+                    }
+                    if (allChanges != nullptr) {
+                        allChanges->push_back(
+                            css::util::ElementChange(
+                                css::uno::Any(
+                                    child->getRelativePathRepresentation()),
+                                child->asValue(), css::uno::Any()));
+                            //TODO: non-void ReplacedElement
+                    }
+                    if (collectPropChanges) {
+                        propChanges.emplace_back(
+                                static_cast< cppu::OWeakObject * >(this),
+                                i.first, false, -1, css::uno::Any(),
+                                css::uno::Any());
+                    }
+                }
+                break;
+            case Node::KIND_GROUP:
+            case Node::KIND_SET:
+                if (i.second.children.empty()) {
+                    if (!child->getNode()->getTemplateName().isEmpty()) {
+                        for (auto const& containerListener : containerListeners_)
+                        {
+                            broadcaster->
+                                addContainerElementInsertedNotification(
+                                    containerListener,
+                                    css::container::ContainerEvent(
+                                        static_cast< cppu::OWeakObject * >(
+                                            this),
+                                        css::uno::Any(i.first),
+                                        child->asValue(), css::uno::Any()));
+                        }
+                        if (allChanges != nullptr) {
+                            allChanges->push_back(
+                                css::util::ElementChange(
+                                    css::uno::Any(
+                                        child->getRelativePathRepresentation()),
+                                    css::uno::Any(), css::uno::Any()));
+                                //TODO: non-void Element, ReplacedElement
+                        }
+                    }
+                    // else: spurious Modifications::Node not representing a
+                    // change
+                } else {
+                    child->initBroadcasterAndChanges(
+                        i.second, broadcaster, allChanges);
+                        //TODO: if allChanges==0, recurse only into children w/
+                        // listeners
+                }
+                break;
+            case Node::KIND_ROOT:
+                assert(false); // this cannot happen
+                break;
+            }
+        } else {
+            switch (getNode()->kind()) {
+            case Node::KIND_LOCALIZED_PROPERTY:
+                // Removed localized property value:
+                assert(Components::allLocales(getRootAccess()->getLocale()));
+                for (auto const& containerListener : containerListeners_)
+                {
+                    broadcaster->addContainerElementRemovedNotification(
+                        containerListener,
+                        css::container::ContainerEvent(
+                            static_cast< cppu::OWeakObject * >(this),
+                            css::uno::Any(i.first), css::uno::Any(),
+                            css::uno::Any()));
+                        //TODO: non-void ReplacedElement
+                }
+                if (allChanges != nullptr) {
+                    OUStringBuffer path(getRelativePathRepresentation());
+                    if (!path.isEmpty()) {
+                        path.append('/');
+                    }
+                    path.append(Data::createSegment(u"*", i.first));
+                    allChanges->push_back(
+                        css::util::ElementChange(
+                            css::uno::Any(path.makeStringAndClear()),
+                            css::uno::Any(), css::uno::Any()));
+                        //TODO: non-void ReplacedElement
+                }
+                assert(!collectPropChanges);
+                break;
+            case Node::KIND_GROUP:
+                {
+                    // Removed (non-localized) extension property:
+                    for (auto const& containerListener : containerListeners_)
+                    {
+                        broadcaster->addContainerElementRemovedNotification(
+                            containerListener,
+                            css::container::ContainerEvent(
+                                static_cast< cppu::OWeakObject * >(this),
+                                css::uno::Any(i.first), css::uno::Any(),
+                                css::uno::Any()));
+                            //TODO: non-void ReplacedElement
+                    }
+                    PropertyChangeListeners::iterator j(
+                        propertyChangeListeners_.find(i.first));
+                    if (j != propertyChangeListeners_.end()) {
+                        for (auto const& propertyChangeListenerElement : j->second)
+                        {
+                            broadcaster->addPropertyChangeNotification(
+                                propertyChangeListenerElement,
+                                css::beans::PropertyChangeEvent(
+                                    static_cast< cppu::OWeakObject * >(this),
+                                    i.first, false, -1, css::uno::Any(),
+                                    css::uno::Any()));
+                        }
+                    }
+                    j = propertyChangeListeners_.find("");
+                    if (j != propertyChangeListeners_.end()) {
+                        for (auto const& propertyChangeListenerElement : j->second)
+                        {
+                            broadcaster->addPropertyChangeNotification(
+                                propertyChangeListenerElement,
+                                css::beans::PropertyChangeEvent(
+                                    static_cast< cppu::OWeakObject * >(this),
+                                    i.first, false, -1, css::uno::Any(),
+                                    css::uno::Any()));
+                        }
+                    }
+                    if (allChanges != nullptr) {
+                        OUStringBuffer path(
+                            getRelativePathRepresentation());
+                        if (!path.isEmpty()) {
+                            path.append('/');
+                        }
+                        path.append(i.first);
+                        allChanges->push_back(
+                            css::util::ElementChange(
+                                css::uno::Any(path.makeStringAndClear()),
+                                css::uno::Any(), css::uno::Any()));
+                            //TODO: non-void ReplacedElement
+                    }
+                    if (collectPropChanges) {
+                        propChanges.emplace_back(
+                                static_cast< cppu::OWeakObject * >(this),
+                                i.first, false, -1, css::uno::Any(),
+                                css::uno::Any());
+                    }
+                }
+                break;
+            case Node::KIND_SET:
+                // Removed set member:
+                if (i.second.children.empty()) {
+                    for (auto const& containerListener : containerListeners_)
+                    {
+                        broadcaster->addContainerElementRemovedNotification(
+                            containerListener,
+                            css::container::ContainerEvent(
+                                static_cast< cppu::OWeakObject * >(this),
+                                css::uno::Any(i.first),
+                                css::uno::Any(), css::uno::Any()));
+                            //TODO: non-void ReplacedElement
+                    }
+                    if (allChanges != nullptr) {
+                        OUStringBuffer path(
+                            getRelativePathRepresentation());
+                        if (!path.isEmpty()) {
+                            path.append('/');
+                        }
+                        path.append(Data::createSegment(u"*", i.first));
+                        allChanges->push_back(
+                            css::util::ElementChange(
+                                css::uno::Any(path.makeStringAndClear()),
+                                css::uno::Any(), css::uno::Any()));
+                            //TODO: non-void ReplacedElement
+                    }
+                }
+                // else: spurious Modifications::Node not representing a change
+                break;
+            default:
+                assert(false); // this cannot happen
+                break;
+            }
+        }
+    }
+    if (!propChanges.empty()) {
+        css::uno::Sequence< css::beans::PropertyChangeEvent > seq(
+            comphelper::containerToSequence(propChanges));
+        for (auto const& propertyChangeListener : propertiesChangeListeners_)
+        {
+            broadcaster->addPropertiesChangeNotification(propertyChangeListener, seq);
+        }
+    }
+}
+
+
+Access::ModifiedChild::ModifiedChild():
+    directlyModified(false)
+{}
+
+Access::ModifiedChild::ModifiedChild(
+    rtl::Reference< ChildAccess > theChild, bool theDirectlyModified):
+    child(std::move(theChild)), directlyModified(theDirectlyModified)
+{}
+
+rtl::Reference< ChildAccess > Access::getModifiedChild(
+    ModifiedChildren::iterator const & childIterator)
+{
+    return (childIterator->second.child->getParentAccess() == this &&
+            (childIterator->second.child->getNameInternal() ==
+             childIterator->first))
+        ? childIterator->second.child : rtl::Reference< ChildAccess >();
+}
+
+rtl::Reference< ChildAccess > Access::createUnmodifiedChild(
+                const OUString &name, const rtl::Reference< Node > &node)
+{
+    rtl::Reference child(
+        new ChildAccess(components_, getRootAccess(), this, name, node));
+    cachedChildren_[name] = child.get();
+    return child;
+}
+
+rtl::Reference< ChildAccess > Access::getUnmodifiedChild(
+    OUString const & name)
+{
+    assert(modifiedChildren_.find(name) == modifiedChildren_.end());
+    rtl::Reference< Node > node(getNode()->getMember(name));
+    if (!node.is()) {
+        return rtl::Reference< ChildAccess >();
+    }
+    WeakChildMap::iterator i(cachedChildren_.find(name));
+    if (i != cachedChildren_.end()) {
+        rtl::Reference< ChildAccess > child;
+        if (i->second->acquireCounting() > 1) {
+            child.set(i->second); // must not throw
+        }
+        i->second->releaseNondeleting();
+        if (child.is()) {
+            child->setNode(node);
+            return child;
+        }
+    }
+    return createUnmodifiedChild(name,node);
+}
+
+rtl::Reference< ChildAccess > Access::getSubChild(OUString const & path) {
+    sal_Int32 i = 0;
+    // For backwards compatibility, allow absolute paths where meaningful:
+    if( path.startsWith("/") ) {
+        ++i;
+        if (!getRootAccess().is()) {
+            return rtl::Reference< ChildAccess >();
+        }
+        std::vector<OUString> abs(getAbsolutePath());
+        for (auto const& elem : abs)
+        {
+            OUString name1;
+            bool setElement1;
+            OUString templateName1;
+            i = Data::parseSegment(
+                path, i, &name1, &setElement1, &templateName1);
+            if (i == -1 || (i != path.getLength() && path[i] != '/')) {
+                return rtl::Reference< ChildAccess >();
+            }
+            OUString name2;
+            bool setElement2;
+            OUString templateName2;
+            Data::parseSegment(elem, 0, &name2, &setElement2, &templateName2);
+            if (name1 != name2 || setElement1 != setElement2 ||
+                (setElement1 &&
+                 !Data::equalTemplateNames(templateName1, templateName2)))
+            {
+                return rtl::Reference< ChildAccess >();
+            }
+            if (i != path.getLength()) {
+                ++i;
+            }
+        }
+    }
+    for (rtl::Reference< Access > parent(this);;) {
+        OUString name;
+        bool setElement;
+        OUString templateName;
+        i = Data::parseSegment(path, i, &name, &setElement, &templateName);
+        if (i == -1 || (i != path.getLength() && path[i] != '/')) {
+            return rtl::Reference< ChildAccess >();
+        }
+        rtl::Reference< ChildAccess > child(parent->getChild(name));
+        if (!child.is()) {
+            return rtl::Reference< ChildAccess >();
+        }
+        if (setElement) {
+            rtl::Reference< Node > p(parent->getNode());
+            switch (p->kind()) {
+            case Node::KIND_LOCALIZED_PROPERTY:
+                if (!Components::allLocales(getRootAccess()->getLocale()) ||
+                    !templateName.isEmpty())
+                {
+                    return rtl::Reference< ChildAccess >();
+                }
+                break;
+            case Node::KIND_SET:
+                if (!templateName.isEmpty() &&
+                    !static_cast< SetNode * >(p.get())->isValidTemplate(
+                        templateName))
+                {
+                    return rtl::Reference< ChildAccess >();
+                }
+                break;
+            default:
+                return rtl::Reference< ChildAccess >();
+            }
+        }
+        // For backwards compatibility, ignore a final slash after non-value
+        // nodes:
+        if (child->isValue()) {
+            return i == path.getLength()
+                ? child : rtl::Reference< ChildAccess >();
+        } else if (i >= path.getLength() - 1) {
+            return child;
+        }
+        ++i;
+        parent = child.get();
+    }
+}
+
+bool Access::setChildProperty(
+    OUString const & name, css::uno::Any const & value,
+    Modifications * localModifications)
+{
+    assert(localModifications != nullptr);
+    rtl::Reference< ChildAccess > child(getChild(name));
+    if (!child.is()) {
+        return false;
+    }
+    child->checkFinalized();
+    child->setProperty(value, localModifications);
+    return true;
+}
+
+css::beans::Property Access::asProperty() {
+    css::uno::Type type;
+    bool nillable;
+    bool removable;
+    rtl::Reference< Node > p(getNode());
+    switch (p->kind()) {
+    case Node::KIND_PROPERTY:
+        {
+            PropertyNode * prop = static_cast< PropertyNode * >(p.get());
+            type = mapType(prop->getStaticType());
+            nillable = prop->isNillable();
+            removable = prop->isExtension();
+        }
+        break;
+    case Node::KIND_LOCALIZED_PROPERTY:
+        {
+            LocalizedPropertyNode * locprop =
+                static_cast< LocalizedPropertyNode *>(p.get());
+            if (Components::allLocales(getRootAccess()->getLocale())) {
+                type = cppu::UnoType< css::uno::XInterface >::get();
+                    //TODO: correct?
+                removable = false;
+            } else {
+                type = mapType(locprop->getStaticType());
+                removable = false; //TODO ???
+            }
+            nillable = locprop->isNillable();
+        }
+        break;
+    case Node::KIND_LOCALIZED_VALUE:
+        {
+            LocalizedPropertyNode * locprop =
+                static_cast< LocalizedPropertyNode * >(getParentNode().get());
+            type = mapType(locprop->getStaticType());
+            nillable = locprop->isNillable();
+            removable = false; //TODO ???
+        }
+        break;
+    default:
+        type = cppu::UnoType< css::uno::XInterface >::get(); //TODO: correct?
+        nillable = false;
+        rtl::Reference< Node > parent(getParentNode());
+        removable = parent.is() && parent->kind() == Node::KIND_SET;
+        break;
+    }
+    return css::beans::Property(
+        getNameInternal(), -1, type,
+        (css::beans::PropertyAttribute::BOUND | //TODO: correct for group/set?
+         css::beans::PropertyAttribute::CONSTRAINED |
+         (nillable ? css::beans::PropertyAttribute::MAYBEVOID : 0) |
+         (getRootAccess()->isUpdate() && removable
+          ? css::beans::PropertyAttribute::REMOVABLE : 0) |
+         (!getRootAccess()->isUpdate() || p->getFinalized() != Data::NO_LAYER
+          ? css::beans::PropertyAttribute::READONLY : 0))); //TODO: MAYBEDEFAULT
+}
+
+void Access::checkFinalized() {
+    if (isFinalized()) {
+        throw css::lang::IllegalArgumentException(
+            "configmgr modification of finalized item",
+            static_cast< cppu::OWeakObject * >(this), -1);
+    }
+}
+
+void Access::checkKnownProperty(OUString const & descriptor) {
+    if (descriptor.isEmpty()) {
+        return;
+    }
+    rtl::Reference< ChildAccess > child(getChild(descriptor));
+    if (child.is()) {
+        switch (child->getNode()->kind()) {
+        case Node::KIND_PROPERTY:
+            return;
+        case Node::KIND_LOCALIZED_PROPERTY:
+            if (!Components::allLocales(getRootAccess()->getLocale())) {
+                return;
+            }
+            break;
+        case Node::KIND_LOCALIZED_VALUE:
+            if (Components::allLocales(getRootAccess()->getLocale())) {
+                return;
+            }
+            break;
+        default:
+            break;
+        }
+    }
+    throw css::beans::UnknownPropertyException(
+        descriptor, static_cast< cppu::OWeakObject * >(this));
+}
+
+rtl::Reference< ChildAccess > Access::getFreeSetMember(
+    css::uno::Any const & value)
+{
+    rtl::Reference< ChildAccess > freeAcc = comphelper::getFromUnoTunnel<ChildAccess>(value);
+    if (!freeAcc.is() || freeAcc->getParentAccess().is() ||
+        (freeAcc->isInTransaction() &&
+         freeAcc->getRootAccess() != getRootAccess()))
+    {
+        throw css::lang::IllegalArgumentException(
+            "configmgr inappropriate set element",
+            static_cast< cppu::OWeakObject * >(this), 1);
+    }
+    assert(dynamic_cast< SetNode * >(getNode().get()) != nullptr);
+    if (!static_cast< SetNode * >(getNode().get())->isValidTemplate(
+            freeAcc->getNode()->getTemplateName()))
+    {
+        throw css::lang::IllegalArgumentException(
+            "configmgr inappropriate set element",
+            static_cast< cppu::OWeakObject * >(this), 1);
+    }
+    return freeAcc;
+}
+
+rtl::Reference< Access > Access::getNotificationRoot() {
+    for (rtl::Reference< Access > p(this);;) {
+        rtl::Reference< Access > parent(p->getParentAccess());
+        if (!parent.is()) {
+            return p;
+        }
+        p = parent;
+    }
+}
+
+#if !defined NDEBUG
+bool Access::thisIs(int what) {
+    osl::MutexGuard g(*lock_);
+    rtl::Reference< Node > p(getNode());
+    Node::Kind k(p->kind());
+    return (k != Node::KIND_PROPERTY && k != Node::KIND_LOCALIZED_VALUE &&
+        ((what & IS_GROUP) == 0 || k == Node::KIND_GROUP) &&
+        ((what & IS_SET) == 0 || k == Node::KIND_SET) &&
+        ((what & IS_EXTENSIBLE) == 0 || k != Node::KIND_GROUP ||
+         static_cast< GroupNode * >(p.get())->isExtensible()) &&
+        ((what & IS_GROUP_MEMBER) == 0 ||
+         getParentNode()->kind() == Node::KIND_GROUP)) ||
+        ((what & IS_SET_MEMBER) == 0 ||
+         getParentNode()->kind() == Node::KIND_SET) ||
+        ((what & IS_UPDATE) == 0 || getRootAccess()->isUpdate());
+}
+#endif
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */